Before I post something on that, you should think about this:
In our culture, many people -- most, if we read the statistics -- have sex before marriage, and plenty of it. So culturally speaking, sex is being abused on a wholesale scale and our culture simply has too much sex.
What if, as an ambassador of Christ and a bearer of His name, suggested (or even demanded) that no Christian under any circumstances -- certainly no single person, but also not any married people for the sake of our testimony to the culture -- have sex? In fact, let me suggest it openly:
Who's with me?